fix(ci): write build log to runner temp and enforce repo cwd

- run build step from git toplevel directory

- store build.log under %RUNNER_TEMP% to avoid missing dist path

- guard log dump when file is absent

.gitea/workflows/release.yml

@@ -119,13 +119,22 @@ jobs:
           PYTHONIOENCODING: "utf-8"
         run: |
           $ErrorActionPreference = "Continue"
-          $buildLog = "dist/build.log"
-          New-Item -ItemType Directory -Force -Path "dist" | Out-Null
+          $repoRoot = (git rev-parse --show-toplevel).Trim()
+          if (-not [string]::IsNullOrWhiteSpace($repoRoot)) {
+            Set-Location $repoRoot
+          }
+          $logDir = Join-Path $env:RUNNER_TEMP "anabasis-build"
+          New-Item -ItemType Directory -Force -Path $logDir | Out-Null
+          $buildLog = Join-Path $logDir "build.log"
           python build.py *>&1 | Tee-Object -FilePath $buildLog
           $code = $LASTEXITCODE
           if ($code -ne 0) {
             Write-Host "Build failed with exit code $code. Dumping build log:"
-            Get-Content -Path $buildLog -Raw
+            if (Test-Path $buildLog) {
+              Get-Content -Path $buildLog -Raw
+            } else {
+              Write-Host "Build log was not created: $buildLog"
+            }
             exit $code
           }